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1.
Another word for Anal Lubricant
(A man rummaging through a woman's night stand), "Oh wow, caboose juice.. your mom is a freak!
by Peanut_Butter April 22, 2012
 
2.
When a man cums in his partner's anus.
I'm so glad he used a condom last night during sex because if he hadn't there would have been so much caboose juice!!
by Debri June 22, 2014